Refrigerator thermometer



FIG. 1 is a top view of the refrigerator thermometer; and,

FIG. 2 is a side view of the refrigerator thermometer.

The front and back surfaces of the refrigerator thermometer are flat and unornamented. The circumference is unormamented. The drawing is lined for color. 

The ornamental design for a refrigerator thermometer, as shown and described. 